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Questions related to Epidemiology
It is generally asserted that all smallpox carriers are symptomatic. But what is the actual evidence for this? This is an absolutely crucial assumption, and, if wrong, makes the epidemiology of...
22 December 2020 8,666 13 View
Research in prevalence usually provide results in per-tooth/object level and per-patient level. What is the significance of these two values and which is actually more important/accurate? What are...
11 December 2020 4,656 4 View
Dear Scientific Community, I need people to validate questionnaires for my Cross-sectional research projects. You would be Co-authors. Please may I ask you to send an email to me (if you are...
10 December 2020 1,442 18 View
Dear Colleagues, May I ask if anyone is interested to make a 2 hour meeting to teach Questionnaire Validation? For Cross-sectional design studies. The meeting will be on zoom and then will be...
07 December 2020 6,943 3 View
including: RT-PCR Real-Time PCR Multiplex-PCR Nested-PCR touchdown-PCR touchup-PCR In situ-PCR
07 December 2020 7,833 3 View
I have never extracted RNA from Mycobacteria and want to run an RNA gel, just to see how different extraction methods affect the RNA. Any ideas would be appreciated. Thank you.
03 December 2020 3,988 0 View
I am analyzing a recently finished randomized controlled trial. One patient was randomized, completed her first visit and decided not to participate 1 day later. She also told me I was not allowed...
02 November 2020 9,788 3 View
I have reformulated the question I mean a statistical approach for adjusting values using multiple linear regression which is often used in ecological studies (e.g. Urashima et al., 2020 Int J...
14 October 2020 3,555 5 View
Hi everyone, I'll be receiving Lx-2 cell for my PhD experimental work, I need to find out how to expand my cells and make stock of it so that i can use it in future. How to expand my cells so...
22 September 2020 4,516 0 View
In a population dynamical system, the non-explosion property is often not good enough but the property of ultimate boundedness is more desired. The conditions for the ultimate boundedness are much...
09 September 2020 1,596 1 View
Hi! I am working on an epidemiological database in which data is expressed in terms of frequency and not as individual cases. The frequencies are too much (hundreds of thousands) to reconvert in...
30 July 2020 6,660 4 View
HF management is with selective BB - Portal hypertension is with non selective. What is the evidence about the right BB to use when both diseases are present?
23 July 2020 6,857 3 View
I have a data set of animal disease from 2011 to 2018. The data consisted of the number of cases per month. I want to ask the techniques that can be used for checking seasonal pattern. I tried to...
19 July 2020 5,030 3 View
Bifurcation diagrams are very useful to evaluate the dynamical behavior of nonlinear dynamical systems. In chaos literature, I notice that some authors draw bifurcation diagrams by removing the...
05 July 2020 581 9 View
Hello all, I am trying to find out, whether (and how) I can implement the Cox proportional hazard models into mediation analysis? In my study, I would like to test whether lung function mediated...
01 July 2020 7,736 3 View
With pulmonary TB so prevalent in our part of the world we seen a lot of cases of acute abdomen, or abdominal ascitis or strictures where our suspicion is high for abdominal TB but diagnosing it...
24 June 2020 5,603 1 View
Covid-19 in Pharmaceutical and Biomedical Research The novel coronavirus SARS-CoV-2 (COVID-19) is a global crisis leading to huge number of economic losses, morbidity, and mortality. This emerging...
23 June 2020 8,343 8 View
The virus has a reproductive number of 2-4 persons per new infected person. There are many variables to take into consideration concerning calculating the time until the pandemic is over....
01 June 2020 6,201 2 View
In the last few months, SIR-like models have been intensively used to represent the propagation dynamics of COVID-19 continuously. Even accepting that, to some degree, the different underlying...
27 May 2020 6,498 10 View
Dear colleagues, I have to report incidence rates for spontaneous pneumothorax, which from a study has an incidence in males of 19.3 and 8.1 in females(per 100000). I wanted to report a general...
21 May 2020 1,728 2 View
I would like to ask for a protocol to stimulate a T cell clone (21 days from feeders stimulus) to up-regulate PD-1 In 1 or two days? do you need irradiated feeders and PHA or can use beads...
20 May 2020 8,580 0 View
UK and US scientists specializing in big data and epidemiology have launched a COVID-19 symptom tracker app. The app collects daily information from individuals in the community about whether they...
14 May 2020 5,860 7 View
I am studying the characteristics of frequency in teaching applied statistics and in epidemiology. Frequency represents the number of observations of the same value. For example, the number of...
26 April 2020 9,748 4 View
I had a striking number of cases in which open urgent or delayed surgery of abdominal aorta or aorto-iliac surgery had to be performed because of complications, such as rapid expansion, extensive...
23 April 2020 9,007 0 View